<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html  lang="en" >
<body>
<h1>This is the first level 1 header</h1>
<p>Some text after the first <b>level 1</b> header</p>
<h2>A valid level two header after the first level 1 header</h2>
<!-- but nothing after it -->
<h1>Another H1</h1>
<h2>H2 valid</h2>
<p>But there was no text between h1 and h2.</p>
<h1>Final H1</h1>
<h4>Invalid h4</h4>
<h2>Valid H2</h2>
<h4>Another invalid H4</h4>
<h3>Valid H3</h3>
<h4>Finally, a valid H4</h4>
<p>And some text that comes after the h4</p>
<div>
<h2>Now there is a header inside a DIV tag</h2>
<p>And there is a paragraph <i>after</i> it</p>
</div>
</body>
</html>
